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Finding the Fourth Proportional to 491,740.40, 737,783.40 and 176,207.60

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Solution

The fourth proportional to 491,740.40, 737,783.40 and 176,207.60 is: 264,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,740.40 : 737,783.40 = 176,207.60 : x
  2. Step 2: Convert to fraction form
    491,740.40/737,783.40 = 176,207.60/x
  3. Step 3: Cross multiply
    491,740.40x = 737,783.40 × 176,207.60
  4. Step 4: Simplify right side
    491,740.40x = 130,003,042,233.84
  5. Step 5: Solve for x
    x = 130,003,042,233.84/491,740.40
  6. Step 6: Final answer
    x = 264,373.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.